60.998 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.046 * * * [progress]: [2/2] Setting up program.
0.054 * [progress]: [Phase 2 of 3] Improving.
0.054 * [simplify]: Simplifying:
  (+ (* x y) (* z t))
0.055 * * [simplify]: iteration 0: 7 enodes
0.056 * * [simplify]: iteration 1: 10 enodes
0.059 * * [simplify]: iteration complete: 10 enodes
0.059 * * [simplify]: Extracting #0: cost 1 inf + 0
0.059 * * [simplify]: Extracting #1: cost 3 inf + 0
0.059 * * [simplify]: Extracting #2: cost 7 inf + 0
0.059 * * [simplify]: Extracting #3: cost 2 inf + 46
0.059 * * [simplify]: Extracting #4: cost 0 inf + 212
0.059 * [simplify]: Simplified to:
  (+ (* z t) (* x y))
0.061 * * [progress]: iteration 1 / 4
0.061 * * * [progress]: picking best candidate
0.069 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (* x y) (* z t)))>
0.070 * * * [progress]: localizing error
0.090 * * * [progress]: generating rewritten candidates
0.090 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.097 * * * [progress]: generating series expansions
0.097 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.097 * [backup-simplify]: Simplify (+ (* x y) (* z t)) into (+ (* t z) (* x y))
0.097 * [approximate]: Taking taylor expansion of (+ (* t z) (* x y)) in (x y z t) around 0
0.097 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in t
0.097 * [taylor]: Taking taylor expansion of (* t z) in t
0.097 * [taylor]: Taking taylor expansion of t in t
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [taylor]: Taking taylor expansion of z in t
0.097 * [backup-simplify]: Simplify z into z
0.097 * [taylor]: Taking taylor expansion of (* x y) in t
0.097 * [taylor]: Taking taylor expansion of x in t
0.097 * [backup-simplify]: Simplify x into x
0.097 * [taylor]: Taking taylor expansion of y in t
0.097 * [backup-simplify]: Simplify y into y
0.097 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in z
0.097 * [taylor]: Taking taylor expansion of (* t z) in z
0.097 * [taylor]: Taking taylor expansion of t in z
0.097 * [backup-simplify]: Simplify t into t
0.097 * [taylor]: Taking taylor expansion of z in z
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [taylor]: Taking taylor expansion of (* x y) in z
0.097 * [taylor]: Taking taylor expansion of x in z
0.097 * [backup-simplify]: Simplify x into x
0.097 * [taylor]: Taking taylor expansion of y in z
0.097 * [backup-simplify]: Simplify y into y
0.097 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in y
0.097 * [taylor]: Taking taylor expansion of (* t z) in y
0.097 * [taylor]: Taking taylor expansion of t in y
0.097 * [backup-simplify]: Simplify t into t
0.097 * [taylor]: Taking taylor expansion of z in y
0.097 * [backup-simplify]: Simplify z into z
0.097 * [taylor]: Taking taylor expansion of (* x y) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [backup-simplify]: Simplify x into x
0.097 * [taylor]: Taking taylor expansion of y in y
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x
0.098 * [taylor]: Taking taylor expansion of (* t z) in x
0.098 * [taylor]: Taking taylor expansion of t in x
0.098 * [backup-simplify]: Simplify t into t
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [backup-simplify]: Simplify z into z
0.098 * [taylor]: Taking taylor expansion of (* x y) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x
0.098 * [taylor]: Taking taylor expansion of (* t z) in x
0.098 * [taylor]: Taking taylor expansion of t in x
0.098 * [backup-simplify]: Simplify t into t
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [backup-simplify]: Simplify z into z
0.098 * [taylor]: Taking taylor expansion of (* x y) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (* t z) into (* t z)
0.098 * [backup-simplify]: Simplify (* 0 y) into 0
0.098 * [backup-simplify]: Simplify (+ (* t z) 0) into (* t z)
0.098 * [taylor]: Taking taylor expansion of (* t z) in y
0.098 * [taylor]: Taking taylor expansion of t in y
0.098 * [backup-simplify]: Simplify t into t
0.098 * [taylor]: Taking taylor expansion of z in y
0.098 * [backup-simplify]: Simplify z into z
0.098 * [backup-simplify]: Simplify (* t z) into (* t z)
0.098 * [taylor]: Taking taylor expansion of (* t z) in z
0.098 * [taylor]: Taking taylor expansion of t in z
0.098 * [backup-simplify]: Simplify t into t
0.098 * [taylor]: Taking taylor expansion of z in z
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* t 0) into 0
0.098 * [taylor]: Taking taylor expansion of 0 in t
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0
0.099 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.099 * [backup-simplify]: Simplify (+ 0 y) into y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [taylor]: Taking taylor expansion of 0 in t
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0
0.099 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [taylor]: Taking taylor expansion of 0 in t
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t
0.100 * [taylor]: Taking taylor expansion of t in t
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [taylor]: Taking taylor expansion of 0 in t
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 y)) (* (/ 1 z) (/ 1 t))) into (+ (/ 1 (* t z)) (/ 1 (* x y)))
0.101 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0
0.101 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t
0.101 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.101 * [taylor]: Taking taylor expansion of (* t z) in t
0.101 * [taylor]: Taking taylor expansion of t in t
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [taylor]: Taking taylor expansion of z in t
0.101 * [backup-simplify]: Simplify z into z
0.101 * [backup-simplify]: Simplify (* 0 z) into 0
0.102 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 z)) into z
0.102 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.102 * [taylor]: Taking taylor expansion of (* x y) in t
0.102 * [taylor]: Taking taylor expansion of x in t
0.102 * [backup-simplify]: Simplify x into x
0.102 * [taylor]: Taking taylor expansion of y in t
0.102 * [backup-simplify]: Simplify y into y
0.102 * [backup-simplify]: Simplify (* x y) into (* x y)
0.102 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y))
0.102 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.102 * [taylor]: Taking taylor expansion of (* t z) in z
0.102 * [taylor]: Taking taylor expansion of t in z
0.102 * [backup-simplify]: Simplify t into t
0.102 * [taylor]: Taking taylor expansion of z in z
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify (* t 0) into 0
0.102 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t
0.103 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t)
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.103 * [taylor]: Taking taylor expansion of (* x y) in z
0.103 * [taylor]: Taking taylor expansion of x in z
0.103 * [backup-simplify]: Simplify x into x
0.103 * [taylor]: Taking taylor expansion of y in z
0.103 * [backup-simplify]: Simplify y into y
0.103 * [backup-simplify]: Simplify (* x y) into (* x y)
0.103 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y))
0.103 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.103 * [taylor]: Taking taylor expansion of (* t z) in y
0.103 * [taylor]: Taking taylor expansion of t in y
0.103 * [backup-simplify]: Simplify t into t
0.103 * [taylor]: Taking taylor expansion of z in y
0.103 * [backup-simplify]: Simplify z into z
0.103 * [backup-simplify]: Simplify (* t z) into (* t z)
0.103 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.103 * [taylor]: Taking taylor expansion of (* x y) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [backup-simplify]: Simplify x into x
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (* x 0) into 0
0.103 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.103 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.103 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.103 * [taylor]: Taking taylor expansion of (* t z) in x
0.103 * [taylor]: Taking taylor expansion of t in x
0.103 * [backup-simplify]: Simplify t into t
0.103 * [taylor]: Taking taylor expansion of z in x
0.103 * [backup-simplify]: Simplify z into z
0.104 * [backup-simplify]: Simplify (* t z) into (* t z)
0.104 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.104 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.104 * [taylor]: Taking taylor expansion of (* x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [backup-simplify]: Simplify y into y
0.104 * [backup-simplify]: Simplify (* 0 y) into 0
0.104 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.104 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.104 * [taylor]: Taking taylor expansion of (* t z) in x
0.104 * [taylor]: Taking taylor expansion of t in x
0.104 * [backup-simplify]: Simplify t into t
0.104 * [taylor]: Taking taylor expansion of z in x
0.104 * [backup-simplify]: Simplify z into z
0.104 * [backup-simplify]: Simplify (* t z) into (* t z)
0.104 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.104 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.104 * [taylor]: Taking taylor expansion of (* x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [backup-simplify]: Simplify y into y
0.104 * [backup-simplify]: Simplify (* 0 y) into 0
0.105 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.105 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.105 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.105 * [backup-simplify]: Simplify (/ 1 1) into 1
0.105 * [taylor]: Taking taylor expansion of 1 in z
0.105 * [backup-simplify]: Simplify 1 into 1
0.106 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.106 * [backup-simplify]: Simplify (+ (/ 1 (* t z)) 0) into (/ 1 (* t z))
0.106 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.106 * [taylor]: Taking taylor expansion of (* t z) in y
0.106 * [taylor]: Taking taylor expansion of t in y
0.106 * [backup-simplify]: Simplify t into t
0.106 * [taylor]: Taking taylor expansion of z in y
0.106 * [backup-simplify]: Simplify z into z
0.106 * [backup-simplify]: Simplify (* t z) into (* t z)
0.106 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [taylor]: Taking taylor expansion of 1 in t
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0
0.108 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.108 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.108 * [backup-simplify]: Simplify (+ 0 0) into 0
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.108 * [taylor]: Taking taylor expansion of (* t z) in z
0.108 * [taylor]: Taking taylor expansion of t in z
0.108 * [backup-simplify]: Simplify t into t
0.108 * [taylor]: Taking taylor expansion of z in z
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (* t 0) into 0
0.108 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t
0.109 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t)
0.109 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.109 * [taylor]: Taking taylor expansion of t in t
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (/ 1 1) into 1
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [taylor]: Taking taylor expansion of 0 in t
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [taylor]: Taking taylor expansion of 0 in t
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0
0.110 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0
0.111 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.111 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0
0.112 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 1) (* 0 0))) into 0
0.114 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)))) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in t
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [taylor]: Taking taylor expansion of 0 in t
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [taylor]: Taking taylor expansion of 0 in t
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [taylor]: Taking taylor expansion of 0 in t
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 0) (* 0 z)))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0
0.118 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.118 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.119 * [backup-simplify]: Simplify (+ 0 0) into 0
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [taylor]: Taking taylor expansion of 0 in z
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [taylor]: Taking taylor expansion of 0 in z
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0
0.120 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0
0.120 * [taylor]: Taking taylor expansion of 0 in z
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [taylor]: Taking taylor expansion of 0 in t
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [taylor]: Taking taylor expansion of 0 in t
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [taylor]: Taking taylor expansion of 0 in t
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)) (* 0 (/ 0 t)))) into 0
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) (* 1 (* (/ 1 (/ 1 t)) (* (/ 1 (/ 1 z)) (* 1 1))))) into (+ (* t z) (* x y))
0.124 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- z)) (/ 1 (- t)))) into (+ (/ 1 (* t z)) (/ 1 (* x y)))
0.124 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t
0.124 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.124 * [taylor]: Taking taylor expansion of (* t z) in t
0.124 * [taylor]: Taking taylor expansion of t in t
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 1 into 1
0.124 * [taylor]: Taking taylor expansion of z in t
0.124 * [backup-simplify]: Simplify z into z
0.124 * [backup-simplify]: Simplify (* 0 z) into 0
0.125 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 z)) into z
0.125 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.125 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.125 * [taylor]: Taking taylor expansion of (* x y) in t
0.125 * [taylor]: Taking taylor expansion of x in t
0.125 * [backup-simplify]: Simplify x into x
0.125 * [taylor]: Taking taylor expansion of y in t
0.125 * [backup-simplify]: Simplify y into y
0.125 * [backup-simplify]: Simplify (* x y) into (* x y)
0.125 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y))
0.125 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z
0.125 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.125 * [taylor]: Taking taylor expansion of (* t z) in z
0.125 * [taylor]: Taking taylor expansion of t in z
0.125 * [backup-simplify]: Simplify t into t
0.125 * [taylor]: Taking taylor expansion of z in z
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.126 * [backup-simplify]: Simplify (* t 0) into 0
0.126 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t
0.126 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t)
0.126 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.126 * [taylor]: Taking taylor expansion of (* x y) in z
0.126 * [taylor]: Taking taylor expansion of x in z
0.126 * [backup-simplify]: Simplify x into x
0.126 * [taylor]: Taking taylor expansion of y in z
0.126 * [backup-simplify]: Simplify y into y
0.126 * [backup-simplify]: Simplify (* x y) into (* x y)
0.126 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y))
0.126 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y
0.126 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.126 * [taylor]: Taking taylor expansion of (* t z) in y
0.126 * [taylor]: Taking taylor expansion of t in y
0.127 * [backup-simplify]: Simplify t into t
0.127 * [taylor]: Taking taylor expansion of z in y
0.127 * [backup-simplify]: Simplify z into z
0.127 * [backup-simplify]: Simplify (* t z) into (* t z)
0.127 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.127 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.127 * [taylor]: Taking taylor expansion of (* x y) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [backup-simplify]: Simplify x into x
0.127 * [taylor]: Taking taylor expansion of y in y
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 1 into 1
0.127 * [backup-simplify]: Simplify (* x 0) into 0
0.127 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.127 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.127 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.128 * [taylor]: Taking taylor expansion of (* t z) in x
0.128 * [taylor]: Taking taylor expansion of t in x
0.128 * [backup-simplify]: Simplify t into t
0.128 * [taylor]: Taking taylor expansion of z in x
0.128 * [backup-simplify]: Simplify z into z
0.128 * [backup-simplify]: Simplify (* t z) into (* t z)
0.128 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.128 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.128 * [taylor]: Taking taylor expansion of (* x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 1 into 1
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [backup-simplify]: Simplify y into y
0.128 * [backup-simplify]: Simplify (* 0 y) into 0
0.129 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.129 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.129 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.129 * [taylor]: Taking taylor expansion of (* t z) in x
0.129 * [taylor]: Taking taylor expansion of t in x
0.129 * [backup-simplify]: Simplify t into t
0.129 * [taylor]: Taking taylor expansion of z in x
0.129 * [backup-simplify]: Simplify z into z
0.129 * [backup-simplify]: Simplify (* t z) into (* t z)
0.129 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.129 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.129 * [taylor]: Taking taylor expansion of (* x y) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify 1 into 1
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [backup-simplify]: Simplify y into y
0.129 * [backup-simplify]: Simplify (* 0 y) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.130 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.130 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
0.130 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (/ 1 1) into 1
0.130 * [taylor]: Taking taylor expansion of 1 in z
0.130 * [backup-simplify]: Simplify 1 into 1
0.131 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.131 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.132 * [backup-simplify]: Simplify (+ (/ 1 (* t z)) 0) into (/ 1 (* t z))
0.132 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.132 * [taylor]: Taking taylor expansion of (* t z) in y
0.132 * [taylor]: Taking taylor expansion of t in y
0.132 * [backup-simplify]: Simplify t into t
0.132 * [taylor]: Taking taylor expansion of z in y
0.132 * [backup-simplify]: Simplify z into z
0.132 * [backup-simplify]: Simplify (* t z) into (* t z)
0.132 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z))
0.133 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.133 * [taylor]: Taking taylor expansion of 0 in z
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [taylor]: Taking taylor expansion of 1 in t
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0
0.133 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0
0.134 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.135 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.135 * [backup-simplify]: Simplify (+ 0 0) into 0
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.135 * [taylor]: Taking taylor expansion of (* t z) in z
0.135 * [taylor]: Taking taylor expansion of t in z
0.135 * [backup-simplify]: Simplify t into t
0.135 * [taylor]: Taking taylor expansion of z in z
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (* t 0) into 0
0.136 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t
0.136 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t)
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.136 * [taylor]: Taking taylor expansion of t in t
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.137 * [taylor]: Taking taylor expansion of 0 in z
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [taylor]: Taking taylor expansion of 0 in t
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [taylor]: Taking taylor expansion of 0 in t
0.137 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0
0.138 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0
0.140 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.141 * [backup-simplify]: Simplify (+ 0 0) into 0
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [taylor]: Taking taylor expansion of 0 in z
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0
0.141 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0
0.141 * [taylor]: Taking taylor expansion of 0 in z
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.142 * [taylor]: Taking taylor expansion of 0 in z
0.142 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 1) (* 0 0))) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)))) into 0
0.143 * [taylor]: Taking taylor expansion of 0 in t
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [taylor]: Taking taylor expansion of 0 in t
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [taylor]: Taking taylor expansion of 0 in t
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [taylor]: Taking taylor expansion of 0 in t
0.143 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 0) (* 0 z)))) into 0
0.146 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0
0.148 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.148 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.149 * [backup-simplify]: Simplify (+ 0 0) into 0
0.149 * [taylor]: Taking taylor expansion of 0 in y
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [taylor]: Taking taylor expansion of 0 in z
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [taylor]: Taking taylor expansion of 0 in z
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0
0.150 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0
0.150 * [taylor]: Taking taylor expansion of 0 in z
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.151 * [taylor]: Taking taylor expansion of 0 in z
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [taylor]: Taking taylor expansion of 0 in t
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [taylor]: Taking taylor expansion of 0 in t
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [taylor]: Taking taylor expansion of 0 in t
0.151 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.152 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)) (* 0 (/ 0 t)))) into 0
0.152 * [taylor]: Taking taylor expansion of 0 in t
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [taylor]: Taking taylor expansion of 0 in t
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [taylor]: Taking taylor expansion of 0 in t
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [taylor]: Taking taylor expansion of 0 in t
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) (* 1 (* (/ 1 (/ 1 (- t))) (* (/ 1 (/ 1 (- z))) (* 1 1))))) into (+ (* t z) (* x y))
0.153 * * * [progress]: simplifying candidates
0.153 * [simplify]: Simplifying:
  (* (exp (* x y)) (exp (* z t)))
  (log (+ (* x y) (* z t)))
  (exp (+ (* x y) (* z t)))
  (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t))))
  (cbrt (+ (* x y) (* z t)))
  (* (* (+ (* x y) (* z t)) (+ (* x y) (* z t))) (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (+ (pow (* x y) 3) (pow (* z t) 3))
  (+ (* (* x y) (* x y)) (- (* (* z t) (* z t)) (* (* x y) (* z t))))
  (- (* (* x y) (* x y)) (* (* z t) (* z t)))
  (- (* x y) (* z t))
  0
  (+ (* t z) (* x y))
  (+ (* t z) (* x y))
0.154 * * [simplify]: iteration 0: 31 enodes
0.165 * * [simplify]: iteration 1: 101 enodes
0.192 * * [simplify]: iteration 2: 349 enodes
0.363 * * [simplify]: iteration 3: 1096 enodes
1.261 * * [simplify]: iteration 4: 3566 enodes
2.447 * * [simplify]: iteration complete: 5000 enodes
2.447 * * [simplify]: Extracting #0: cost 12 inf + 0
2.447 * * [simplify]: Extracting #1: cost 120 inf + 1
2.450 * * [simplify]: Extracting #2: cost 714 inf + 2
2.466 * * [simplify]: Extracting #3: cost 889 inf + 28004
2.518 * * [simplify]: Extracting #4: cost 537 inf + 132058
2.604 * * [simplify]: Extracting #5: cost 251 inf + 235255
2.691 * * [simplify]: Extracting #6: cost 28 inf + 334075
2.773 * * [simplify]: Extracting #7: cost 0 inf + 337715
2.857 * * [simplify]: Extracting #8: cost 0 inf + 337356
2.935 * [simplify]: Simplified to:
  (exp (+ (* x y) (* z t)))
  (log (+ (* x y) (* z t)))
  (exp (+ (* x y) (* z t)))
  (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t))))
  (cbrt (+ (* x y) (* z t)))
  (* (* (+ (* x y) (* z t)) (+ (* x y) (* z t))) (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (+ (* (* (* z t) (* z t)) (* z t)) (* (* x y) (* (* x y) (* x y))))
  (+ (* (* z t) (* z t)) (* (* x y) (- (* x y) (* z t))))
  (* (- (* x y) (* z t)) (+ (* x y) (* z t)))
  (- (* x y) (* z t))
  0
  (+ (* x y) (* z t))
  (+ (* x y) (* z t))
2.936 * * * [progress]: adding candidates to table
3.012 * [progress]: [Phase 3 of 3] Extracting.
3.018 * [simplify]: Simplifying:
  (+ (* x y) (* z t))
3.018 * * [simplify]: iteration 0: 7 enodes
3.019 * * [simplify]: iteration 1: 10 enodes
3.019 * * [simplify]: iteration complete: 10 enodes
3.019 * * [simplify]: Extracting #0: cost 1 inf + 0
3.019 * * [simplify]: Extracting #1: cost 3 inf + 0
3.020 * * [simplify]: Extracting #2: cost 7 inf + 0
3.020 * * [simplify]: Extracting #3: cost 2 inf + 46
3.020 * * [simplify]: Extracting #4: cost 0 inf + 212
3.020 * [simplify]: Simplified to:
  (+ (* z t) (* x y))
5.082 * [regime-testing]: Baseline error score: 0.011541683722326211
5.100 * [regime-testing]: Oracle error score: 0.011541683722326211
5.100 * [regime-testing]: End program error score: 0.011541683722326211